Be prepared for any emergency with our ToughWorkz MayDay Emergency Food Bars. Each bar contaoins 400 calories for a total of 3600. The bars are not only lightweight and compact, but also packed with essential vitamins and minerals. It comes in a foil vacuum pack pouch for maximum freshness and has a 5-year shelf life. Ready to eat. This is a must-have for any emergency - hiking, camping, boating, outdoor adventures and more.